Graham Cobb Enters Little Rock Regional Chamber as New Chief Operating Officer by Arkansas Business Staff Posted 11/25/2013 12:00 am Graham Cobb has joined the Little Rock Regional Chamber of Commerce as its new chief operating officer. A Little Rock native, Cobb will run the day-to-day operations of the business lobbying group. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 20 days. Purchase Now Already have archive access? Login to view this article.